157720281 (number)

157720281 is an odd 9-digits composite number following 157720280 and preceding 157720282. In scientific notation, it is written as 1.57720281 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 100886400 positive integers (up to 157720281) that are relatively prime to 157720281.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million seven hundred twenty thousand two hundred eighty-one

Notation

Scientific notation 1.57720281 × 10^8
Engineering notation 1.57720281 × 10^6

Prime Factorization of 157720281

Prime Factorization 3 × 31 × 31 × 227 × 241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5087751
Product of the distinct prime numbers

The prime factorization of 157720281 is 3 × 31 × 31 × 227 × 241. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 95, 46, 143, 682, 666, 5900, 88021, 35179, 39566, 823392, 529739, 3437973, 25511210, 61377545, 749335882, 714708544, 5907064076, 8695253418

Basic calculations (n = 157720281)

Multiplication

n×y
n×2 315440562
n×3 473160843
n×4 630881124
n×5 788601405

Division

n÷y
n÷2 78860140.5
n÷3 52573427
n÷3 39430070.25
n÷5 31544056.2

Exponentiation

ny
n2 24875687038718961
n3 3.9234003498148E+24
n4 6.1879980564829E+32
n5 9.7597279229594E+40

Nth Root

y√n
2√n 12558.673536644
3√n 540.29280074144
4√n 112.0654877143
5√n 43.609138618005

Divisors of 157720281

1, 3, 31, 93, 227, 241, 681, 723, 961, 2883, 7037, 7471, 21111, 22413, 54707, 164121, 218147, 231601, 654441, 694803, 1695917, 5087751, 52573427, 157720281

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157720280
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157720281 can be divided by 24 positive divisors. The sum of these divisors (counting 157720281) is 1, the average is 0.041666666666667.

Base conversion 157720281

Base System Value
2 Binary 1001011001101001111011011001
3 Ternary 101222210000112220
4 Quaternary 21121221323121
5 Quinary 310334022111
6 Senary 23352254253
8 Octal 1131517331
10 Decimal 157720281
12 Duodecimal 449a1389
16 Hexadecimal 9669ed9
20 Vigesimal 295f0e1
36 Base36 2lwhqx

Cryptographic Hash Functions

md5 bc05b98dab858c088d6c308b62f364bc
sha1 e5f6bcf19b975acf3d0d26e8ceaec013f41c87aa
sha256 357bdb92836d3b55112c6a66c36be5266973abe895397354237ae46aacafc3d7
sha512 281c4be02d2252f461f06edf691b0acaf2871cf2b93c682b11e6a0039095e10bf53c19e86b0727a8bf442b82072cc30f0a6eb190134ce9dcdd242c57a2805210
ripemd-160 2f2b9b7e518c962fa54b813985df5dce91f44443

157720281 as geometric shapes

Circle

Radius = n
Diameter 315440562
Circumference 990985752.22344
Area 7.8149275653838E+16

Sphere

Radius = n
Volume 1.643430095476E+25
Surface area 3.1259710261535E+17
Circumference 990985752.22344

Square

Length = n
Perimeter 630881124
Area 24875687038718961
Diagonal 223050160.4515

Cube

Length = n
Surface area 149254122232313766
Volume 3.9234003498148E+24
Space diagonal 273179540.07604

Equilateral Triangle

Length = n
Perimeter 473160843
Area 1.0771488456061E+16
Altitude 136589770.03802

Triangular Pyramid

Length = n
Surface area 1.0771488456061E+16
Volume 4.6237716544395E+23
Height 74350053.483832